Radioactivity spectrometer



FIG. 1 is a right front perspective view of a radioactivity spectrometershowing my new design;

FIG. 2 is a front elevational view thereof as taken from line 2--2;

FIG. 3 is a rear elevational view thereof as taken from line 3--3;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a left side elevational view thereof.

The ornamental design of a radioactivity spectrometer, substantially asshown and described.